Audio on Ubuntu - stereoboy/Study GitHub Wiki
References
- How to use command line to change volume?
- https://linux.die.net/man/1/amixer
amixer -D pulse sset Master 70%
- How To Change Default Audio Device on Ubuntu via Command Line
pavucontrol
for control Pulse Audio Sound Server
GUI Tool
sudo apt-get install pavucontrol
Alsamixer
$ sudo apt-get install alsa-utils
$ alsamixer
- to select Device
- to select Type
Audio Recorder
- Install
- Tutorial
- file:///usr/share/audio-recorder/timer-syntax.html
- Use google translate
sudo apt-get install audio-recorder
- record audio-out